* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e9ecef;
}

h1 {
  color: #2c3e50;
}

h2 {
  color: #3498db;
  margin-bottom: 15px;
}

.room-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: space-around;
  margin-bottom: 30px;
}

.room-creation, .room-join {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  flex: 1;
  min-width: 300px;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  font-size: 16px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.primary {
  background-color: #3498db;
  color: white;
}

.primary:hover {
  background-color: #2980b9;
}

.secondary {
  background-color: #2ecc71;
  color: white;
}

.secondary:hover {
  background-color: #27ae60;
}

.warning {
  background-color: #e74c3c;
  color: white;
}

.warning:hover {
  background-color: #c0392b;
}

.screen-sharing {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  text-align: center;
}

.video-container {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
}

video {
  max-width: 100%;
  border: 1px solid #e9ecef;
  border-radius: 4px;
  background-color: #000;
}

footer {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #e9ecef;
  color: #6c757d;
}

.hidden {
  display: none;
} 